
//创建线程
class MyThread extends Thread {
    @Override
    public void run(){
        while(true){
        System.out.println("Hallo Thread");

            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
        }
    }
}
public class Demo1 {

    public static void main(String[] args) throws InterruptedException {
        Thread t = new MyThread();

        t.start();

        while (true){
            System.out.println("Hallo main");

            Thread.sleep(1000);
        }
    }
}
